*{margin:0;padding:0;box-sizing:border-box}:root{--bg: #0f1117;--bg-card: #1a1d27;--bg-hover: #252836;--text: #e4e6eb;--text-muted: #8b8fa3;--primary: #6366f1;--primary-hover: #818cf8;--border: #2d3148;--success: #22c55e;--warning: #f59e0b;--danger: #ef4444}:root.theme-light{--bg: #f5f7fb;--bg-card: #ffffff;--bg-hover: #f1f4f9;--text: #111827;--text-muted: #6b7280;--primary-hover: #4f46e5;--border: #e3e7ef;color-scheme:light}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}a{color:var(--primary);text-decoration:none}a:hover{color:var(--primary-hover)}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border:none;border-radius:8px;font-size:14px;cursor:pointer;transition:all .2s}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-ghost{background:transparent;color:var(--text-muted);border:1px solid var(--border)}.btn-ghost:hover{background:var(--bg-hover);color:var(--text)}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:20px}.input{width:100%;padding:10px 14px;background:var(--bg);border:1px solid var(--border);border-radius:8px;color:var(--text);font-size:14px;outline:none}.input:focus{border-color:var(--primary)}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--border)}.table th{color:var(--text-muted);font-weight:500;font-size:13px}.stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:16px}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:16px}.stat-card .label{font-size:13px;color:var(--text-muted);margin-bottom:4px}.stat-card .value{font-size:28px;font-weight:700}.chart-box{width:100%;height:320px}